| #!/usr/bin/python |
| # Copyright 2018 The ANGLE Project Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| # gen_vk_mandatory_format_support_table.py: |
| # Code generation for mandatory formats supported by Vulkan. |
| # NOTE: don't run this script directly. Run scripts/run_code_generation.py. |
| |
| from datetime import date |
| import sys |
| |
| sys.path.append('..') |
| import angle_format |
| import xml.etree.ElementTree as etree |
| import sys, os |
| |
| template_table_autogen_cpp = """// GENERATED FILE - DO NOT EDIT. |
| // Generated by {script_name} using data from {input_file_name} and |
| // the vk.xml file situated at |
| // /third_party/vulkan-validation-layers/src/scripts/vk.xml |
| // |
| // Copyright {copyright_year} The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| // {out_file_name}: |
| // Queries for full Vulkan mandatory format support information based on VK format. |
| |
| #include "libANGLE/renderer/vulkan/vk_format_utils.h" |
| |
| using namespace angle; |
| |
| namespace rx |
| {{ |
| |
| namespace vk |
| {{ |
| |
| namespace |
| {{ |
| static_assert({num_formats} == kNumVkFormats, "Update kNumVkFormats"); |
| constexpr std::array<VkFormatProperties, kNumVkFormats> kFormatProperties = {{{{ |
| {format_case_data} |
| }}}}; |
| }} // anonymous namespace |
| |
| const VkFormatProperties& GetMandatoryFormatSupport(VkFormat vkFormat) |
| {{ |
| ASSERT(static_cast<uint64_t>(vkFormat) < sizeof(kFormatProperties)); |
| return kFormatProperties[vkFormat]; |
| }} |
| |
| }} // namespace vk |
| |
| }} // namespace rx |
| |
| """ |
| |
| template_format_property = """ |
| /* {vk_format} */ |
| {{0, {optimal_features}, {buffer_features}}}""" |
| |
| |
| def script_relative(path): |
| return os.path.join(os.path.dirname(sys.argv[0]), path) |
| |
| |
| def gen_format_case(index, vk_to_index_to_format_map, vk_map): |
| vk_format = vk_to_index_to_format_map[index] |
| |
| if vk_format in vk_map and len(vk_map[vk_format]) > 0: |
| # Check which feature is a buffer feature or not. |
| buffer_features = [x for x in vk_map[vk_format] if x.find("_BUFFER_") != -1] |
| optimal_features = [x for x in vk_map[vk_format] if x.find("_BUFFER_") == -1] |
| optimal_features_str = "|".join(optimal_features) if len(optimal_features) else "0" |
| buffer_features_str = "|".join(buffer_features) if len(buffer_features) else "0" |
| else: |
| optimal_features_str = "0" |
| buffer_features_str = "0" |
| |
| return template_format_property.format( |
| vk_format=vk_format, |
| optimal_features=optimal_features_str, |
| buffer_features=buffer_features_str) |
| |
| |
| def main(): |
| |
| input_file_name = 'vk_mandatory_format_support_data.json' |
| out_file_name = 'vk_mandatory_format_support_table_autogen.cpp' |
| vk_xml_file = '../../../../third_party/vulkan-headers/src/registry/vk.xml' |
| |
| # auto_script parameters. |
| if len(sys.argv) > 1: |
| inputs = [ |
| '../angle_format.py', |
| input_file_name, |
| vk_xml_file, |
| ] |
| outputs = [out_file_name] |
| |
| if sys.argv[1] == 'inputs': |
| print ','.join(inputs) |
| elif sys.argv[1] == 'outputs': |
| print ','.join(outputs) |
| else: |
| print('Invalid script parameters') |
| return 1 |
| return 0 |
| |
| tree = etree.parse(script_relative(vk_xml_file)) |
| root = tree.getroot() |
| vk_format_enums = root.findall(".//enums[@name='VkFormat']/enum") |
| vk_format_name_to_index_map = {} |
| num_formats = len(vk_format_enums) |
| for format_enum in vk_format_enums: |
| index = int(format_enum.attrib['value']) |
| vk_format = format_enum.attrib['name'] |
| vk_format_name_to_index_map[index] = vk_format |
| |
| vk_map = angle_format.load_json(input_file_name) |
| vk_cases = [ |
| gen_format_case(index, vk_format_name_to_index_map, vk_map) |
| for index in vk_format_name_to_index_map |
| ] |
| |
| output_cpp = template_table_autogen_cpp.format( |
| copyright_year=date.today().year, |
| num_formats=num_formats, |
| format_case_data="\n,".join(vk_cases), |
| script_name=__file__, |
| out_file_name=out_file_name, |
| input_file_name=input_file_name) |
| |
| with open(out_file_name, 'wt') as out_file: |
| out_file.write(output_cpp) |
| out_file.close() |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |